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path: root/sound/hda/ext/hdac_ext_stream.c
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Diffstat (limited to 'sound/hda/ext/hdac_ext_stream.c')
-rw-r--r--sound/hda/ext/hdac_ext_stream.c203
1 files changed, 20 insertions, 183 deletions
diff --git a/sound/hda/ext/hdac_ext_stream.c b/sound/hda/ext/hdac_ext_stream.c
index 70f3ad71aaf0..2a071a09224d 100644
--- a/sound/hda/ext/hdac_ext_stream.c
+++ b/sound/hda/ext/hdac_ext_stream.c
@@ -39,20 +39,6 @@ static void snd_hdac_ext_stream_init(struct hdac_bus *bus,
AZX_PPLC_INTERVAL * idx;
}
- if (bus->spbcap) {
- hext_stream->spib_addr = bus->spbcap + AZX_SPB_BASE +
- AZX_SPB_INTERVAL * idx +
- AZX_SPB_SPIB;
-
- hext_stream->fifo_addr = bus->spbcap + AZX_SPB_BASE +
- AZX_SPB_INTERVAL * idx +
- AZX_SPB_MAXFIFO;
- }
-
- if (bus->drsmcap)
- hext_stream->dpibr_addr = bus->drsmcap + AZX_DRSM_BASE +
- AZX_DRSM_INTERVAL * idx;
-
hext_stream->decoupled = false;
snd_hdac_stream_init(bus, &hext_stream->hstream, idx, direction, tag);
}
@@ -140,36 +126,36 @@ void snd_hdac_ext_stream_decouple(struct hdac_bus *bus,
EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_decouple);
/**
- * snd_hdac_ext_link_stream_start - start a stream
+ * snd_hdac_ext_stream_start - start a stream
* @hext_stream: HD-audio ext core stream to start
*/
-void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hext_stream)
+void snd_hdac_ext_stream_start(struct hdac_ext_stream *hext_stream)
{
snd_hdac_updatel(hext_stream->pplc_addr, AZX_REG_PPLCCTL,
AZX_PPLCCTL_RUN, AZX_PPLCCTL_RUN);
}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_link_stream_start);
+EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_start);
/**
- * snd_hdac_ext_link_stream_clear - stop a stream DMA
+ * snd_hdac_ext_stream_clear - stop a stream DMA
* @hext_stream: HD-audio ext core stream to stop
*/
-void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hext_stream)
+void snd_hdac_ext_stream_clear(struct hdac_ext_stream *hext_stream)
{
snd_hdac_updatel(hext_stream->pplc_addr, AZX_REG_PPLCCTL, AZX_PPLCCTL_RUN, 0);
}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_link_stream_clear);
+EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_clear);
/**
- * snd_hdac_ext_link_stream_reset - reset a stream
+ * snd_hdac_ext_stream_reset - reset a stream
* @hext_stream: HD-audio ext core stream to reset
*/
-void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hext_stream)
+void snd_hdac_ext_stream_reset(struct hdac_ext_stream *hext_stream)
{
unsigned char val;
int timeout;
- snd_hdac_ext_link_stream_clear(hext_stream);
+ snd_hdac_ext_stream_clear(hext_stream);
snd_hdac_updatel(hext_stream->pplc_addr, AZX_REG_PPLCCTL,
AZX_PPLCCTL_STRST, AZX_PPLCCTL_STRST);
@@ -196,20 +182,20 @@ void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hext_stream)
} while (--timeout);
}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_link_stream_reset);
+EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_reset);
/**
- * snd_hdac_ext_link_stream_setup - set up the SD for streaming
+ * snd_hdac_ext_stream_setup - set up the SD for streaming
* @hext_stream: HD-audio ext core stream to set up
* @fmt: stream format
*/
-int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *hext_stream, int fmt)
+int snd_hdac_ext_stream_setup(struct hdac_ext_stream *hext_stream, int fmt)
{
struct hdac_stream *hstream = &hext_stream->hstream;
unsigned int val;
/* make sure the run bit is zero for SD */
- snd_hdac_ext_link_stream_clear(hext_stream);
+ snd_hdac_ext_stream_clear(hext_stream);
/* program the stream_tag */
val = readl(hext_stream->pplc_addr + AZX_REG_PPLCCTL);
val = (val & ~AZX_PPLCCTL_STRM_MASK) |
@@ -221,35 +207,11 @@ int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *hext_stream, int fmt)
return 0;
}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_link_stream_setup);
-
-/**
- * snd_hdac_ext_link_set_stream_id - maps stream id to link output
- * @link: HD-audio ext link to set up
- * @stream: stream id
- */
-void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link,
- int stream)
-{
- snd_hdac_updatew(link->ml_addr, AZX_REG_ML_LOSIDV, (1 << stream), 1 << stream);
-}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_link_set_stream_id);
-
-/**
- * snd_hdac_ext_link_clear_stream_id - maps stream id to link output
- * @link: HD-audio ext link to set up
- * @stream: stream id
- */
-void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link,
- int stream)
-{
- snd_hdac_updatew(link->ml_addr, AZX_REG_ML_LOSIDV, (1 << stream), 0);
-}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_link_clear_stream_id);
+EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_setup);
static struct hdac_ext_stream *
-hdac_ext_link_stream_assign(struct hdac_bus *bus,
- struct snd_pcm_substream *substream)
+hdac_ext_link_dma_stream_assign(struct hdac_bus *bus,
+ struct snd_pcm_substream *substream)
{
struct hdac_ext_stream *res = NULL;
struct hdac_stream *hstream = NULL;
@@ -284,8 +246,8 @@ hdac_ext_link_stream_assign(struct hdac_bus *bus,
}
static struct hdac_ext_stream *
-hdac_ext_host_stream_assign(struct hdac_bus *bus,
- struct snd_pcm_substream *substream)
+hdac_ext_host_dma_stream_assign(struct hdac_bus *bus,
+ struct snd_pcm_substream *substream)
{
struct hdac_ext_stream *res = NULL;
struct hdac_stream *hstream = NULL;
@@ -353,10 +315,10 @@ struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus,
return hext_stream;
case HDAC_EXT_STREAM_TYPE_HOST:
- return hdac_ext_host_stream_assign(bus, substream);
+ return hdac_ext_host_dma_stream_assign(bus, substream);
case HDAC_EXT_STREAM_TYPE_LINK:
- return hdac_ext_link_stream_assign(bus, substream);
+ return hdac_ext_link_dma_stream_assign(bus, substream);
default:
return NULL;
@@ -405,128 +367,3 @@ void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type)
}
EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_release);
-
-/**
- * snd_hdac_ext_stream_spbcap_enable - enable SPIB for a stream
- * @bus: HD-audio core bus
- * @enable: flag to enable/disable SPIB
- * @index: stream index for which SPIB need to be enabled
- */
-void snd_hdac_ext_stream_spbcap_enable(struct hdac_bus *bus,
- bool enable, int index)
-{
- u32 mask = 0;
-
- if (!bus->spbcap) {
- dev_err(bus->dev, "Address of SPB capability is NULL\n");
- return;
- }
-
- mask |= (1 << index);
-
- if (enable)
- snd_hdac_updatel(bus->spbcap, AZX_REG_SPB_SPBFCCTL, mask, mask);
- else
- snd_hdac_updatel(bus->spbcap, AZX_REG_SPB_SPBFCCTL, mask, 0);
-}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_spbcap_enable);
-
-/**
- * snd_hdac_ext_stream_set_spib - sets the spib value of a stream
- * @bus: HD-audio core bus
- * @hext_stream: hdac_ext_stream
- * @value: spib value to set
- */
-int snd_hdac_ext_stream_set_spib(struct hdac_bus *bus,
- struct hdac_ext_stream *hext_stream, u32 value)
-{
-
- if (!bus->spbcap) {
- dev_err(bus->dev, "Address of SPB capability is NULL\n");
- return -EINVAL;
- }
-
- writel(value, hext_stream->spib_addr);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_set_spib);
-
-/**
- * snd_hdac_ext_stream_get_spbmaxfifo - gets the spib value of a stream
- * @bus: HD-audio core bus
- * @hext_stream: hdac_ext_stream
- *
- * Return maxfifo for the stream
- */
-int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_bus *bus,
- struct hdac_ext_stream *hext_stream)
-{
-
- if (!bus->spbcap) {
- dev_err(bus->dev, "Address of SPB capability is NULL\n");
- return -EINVAL;
- }
-
- return readl(hext_stream->fifo_addr);
-}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_get_spbmaxfifo);
-
-/**
- * snd_hdac_ext_stream_drsm_enable - enable DMA resume for a stream
- * @bus: HD-audio core bus
- * @enable: flag to enable/disable DRSM
- * @index: stream index for which DRSM need to be enabled
- */
-void snd_hdac_ext_stream_drsm_enable(struct hdac_bus *bus,
- bool enable, int index)
-{
- u32 mask = 0;
-
- if (!bus->drsmcap) {
- dev_err(bus->dev, "Address of DRSM capability is NULL\n");
- return;
- }
-
- mask |= (1 << index);
-
- if (enable)
- snd_hdac_updatel(bus->drsmcap, AZX_REG_DRSM_CTL, mask, mask);
- else
- snd_hdac_updatel(bus->drsmcap, AZX_REG_DRSM_CTL, mask, 0);
-}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_drsm_enable);
-
-/**
- * snd_hdac_ext_stream_set_dpibr - sets the dpibr value of a stream
- * @bus: HD-audio core bus
- * @hext_stream: hdac_ext_stream
- * @value: dpib value to set
- */
-int snd_hdac_ext_stream_set_dpibr(struct hdac_bus *bus,
- struct hdac_ext_stream *hext_stream, u32 value)
-{
-
- if (!bus->drsmcap) {
- dev_err(bus->dev, "Address of DRSM capability is NULL\n");
- return -EINVAL;
- }
-
- writel(value, hext_stream->dpibr_addr);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_set_dpibr);
-
-/**
- * snd_hdac_ext_stream_set_lpib - sets the lpib value of a stream
- * @hext_stream: hdac_ext_stream
- * @value: lpib value to set
- */
-int snd_hdac_ext_stream_set_lpib(struct hdac_ext_stream *hext_stream, u32 value)
-{
- snd_hdac_stream_writel(&hext_stream->hstream, SD_LPIB, value);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_set_lpib);